System Diagram
WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 COMMUNICATION TABLE
| Sender |
Receiver |
Signal |
Line |
| Certification ECU |
Power management control ECU |
- Engine immobiliser system set/unset signal
- Engine start signal
- Transponder valid signal
- Steering unlock demand signal
- Steering lock demand signal
|
LIN |
| Power management control ECU |
Certification ECU |
- Key code recognition signal
- Engine start operation signal
- ACC relay activation signal
- IG relay activation signal
|
| ID code box |
Certification ECU |
- Matching request random number signal
- EFI code reception signal
- Engine start permission demand reception signal
- S code verification result signal
- L code verification result signal
- Steering unlock demand reception signal
- Steering lock demand reception signal
|
| Steering lock ECU |
- Steering lock release signal
- Matching request random number signal
|
| Steering lock ECU |
Certification ECU |
L code verification signal |